A method for preparing a catalyst precursor for an olefin polymerization catalyst involves the use of aqueous or alcoholic solutions of a chromium salt and of boric acid and aluminium carboxylate for deposition onto an inorganic support material, such as a silica xerogel. It comprises\u2014an extracting module configured to extract an embedded multimedia element from a multimedia messaging service message, the embedded multimedia element comprising a file format; and\u2014a file format changer configured to change the file format of the embedded multimedia information into an adapted file format to be transmitted to the destination device. The cold stage cools down the one or more electronic devices to a predetermined operational temperature at which the one or more electronic devices is operable. The elongate body can be transitioned to a rigid state prior to, during, or after advancement into the patient and is passed through the opening into the peritoneal cavity. According to the invention, the system operates on a regenerative breaking system that recharges the battery as the system is in brake-mode or as a result of the media display in the shape of an airfoil contributing to the regenerative breaking mechanism.